Robtex

Up: 74.204.180.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 74.204.180.0/24
Down right: 74.204.181.0/24

IP	Type	Hostname
74.204.180.20	PTR	unknown20.180.204.74.defenderhosting.com
74.204.180.20	A	cloudfarm.ca
74.204.180.48	PTR	unknown48.180.204.74.defenderhosting.com
74.204.180.52	PTR	unknown52.180.204.74.defenderhosting.com
74.204.180.52	A	vpn.ned.org
74.204.180.54	PTR	unknown54.180.204.74.defenderhosting.com
74.204.180.57	PTR	unknown57.180.204.74.defenderhosting.com
74.204.180.57	A	citrix.ned.org
74.204.180.92	PTR	unknown92.180.204.74.defenderhosting.com
74.204.180.92	A	measuredreaction.tv
74.204.180.105	PTR	unknown105.180.204.74.defenderhosting.com
74.204.180.121	PTR	unknown121.180.204.74.defenderhosting.com
74.204.180.147	PTR	unknown147.180.204.74.defenderhosting.com
74.204.180.162	PTR	unknown162.180.204.74.defenderhosting.com
74.204.180.164	PTR	unknown164.180.204.74.defenderhosting.com
74.204.180.177	PTR	unknown177.180.204.74.defenderhosting.com
74.204.180.181	PTR	unknown181.180.204.74.defenderhosting.com
74.204.180.247	PTR	unknown247.180.204.74.defenderhosting.com
74.204.181.6	PTR	unknown6.181.204.74.defenderhosting.com
74.204.181.7	PTR	unknown7.181.204.74.defenderhosting.com
74.204.181.69	PTR	unknown69.181.204.74.defenderhosting.com
74.204.181.69	A	mivianney.com
74.204.181.70	A	levdns.tk
74.204.181.74	PTR	unknown74.181.204.74.defenderhosting.com
74.204.181.103	PTR	unknown103.181.204.74.defenderhosting.com
74.204.181.103	A	deftechgroup.com
74.204.181.103	A	www.deftechgroup.com
74.204.181.143	PTR	unknown143.181.204.74.defenderhosting.com
74.204.181.181	PTR	unknown181.181.204.74.defenderhosting.com
74.204.181.181	A	888hairnew.com
74.204.181.182	A	*.admcorp.com
74.204.181.182	A	www.admcorp.com
74.204.181.183	PTR	unknown183.181.204.74.defenderhosting.com
74.204.181.183	A	www.scacce.com
74.204.181.183	A	scacce.net
74.204.181.190	PTR	unknown190.181.204.74.defenderhosting.com
74.204.181.225	PTR	unknown225.181.204.74.defenderhosting.com